Breast tissue bulge and lesion visibility during stereotactic biopsy – a phantom study

Williams, S, Hackney, L, Hogg, P and Szczepura, K ORCID: 0000-0002-2566-3308 2014, 'Breast tissue bulge and lesion visibility during stereotactic biopsy – a phantom study' , Radiography, 20 (3) , pp. 271-276.

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Abstract

Background
During mammography guided stereotactic breast biopsy a bulge of tissue can form in the paddle needle biopsy aperture. This bulge has been estimated to have a height of up to 30% of the breast itself. During clinical biopsy we have noticed that lesions can appear to be less visible when tissue bulges are evident. This can make biopsy more difficult in some cases.
Objectives
This experiment investigates how lesion visibility varies with breast bulge magnitude.
Method
Using a phantom to represent breast and breast bulge, lesion visibility was assessed using a two alternative forced choice methodology. To mimic clinical conditions, imaging was performed on a full field digital mammography system with the biopsy paddle attached using an automatic exposure device. Organ dose (breast) was estimated.
Results
As breast bulge increases lesion visibility decreases; organ dose increases as breast bulge magnitude increases.
Conclusion
Consideration should be given to the impact of breast bulge magnitude and lesion visibility when performing image guided biopsy.
Advances in knowledge
The authors found no similar studies and the results of this study demonstrate a potential clinical risk.

Item Type: Article
Schools: Schools > School of Health Sciences
Journal or Publication Title: Radiography
Publisher: Elsevier
ISSN: 1078-8174
Depositing User: WM Taylor
Date Deposited: 07 Nov 2016 10:40
Last Modified: 15 Jan 2018 10:51
URI: http://usir.salford.ac.uk/id/eprint/40617

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